On January 5, the cloudiest day of the year, the sky is overcast or mostly cloudy 61% of the time, and clear, mostly clear, or partly cloudy 39% of the time. This reanalysis combines a variety of wide-area measurements in a state-of-the-art global meteorological model to reconstruct the hourly history of weather throughout the world on a 50-kilometer grid. January Climate & Weather Averages in Dayton. Daylight saving time (DST) is observed in Dayton during 2020, starting in the spring on March 8, lasting 7.8 months, and ending in the fall on November 1. This site contains files of daily average temperatures for 157 U.S. and 167 international cities. What is the average winter temperature in Dayton Ohio? The wetter season lasts 4.6 months, from March 23 to August 10, with a greater than 31% chance of a given day being a wet day. Maps are © Esri, with data from National Geographic, Esri, DeLorme, NAVTEQ, UNEP-WCMC, USGS, NASA, ESA, METI, NRCAN, GEBCO, NOAA, and iPC. : Hours of sunshine, Hi : Average high in ºF - Lo : Average low in ºF - Pre. The figure below shows you a compact characterization of the entire year of hourly average temperatures. In recent times the highest recorded temperature in September has been 34°C that's 94°F, with the lowest recorded temperature 1°C, about 33°F. The actual depth of new snowfall is typically between 5 and 10 times the liquid-equivalent amount, assuming the ground is frozen. Based on this categorization, the most common form of precipitation throughout the year is rain alone, with a peak probability of 42% on June 7. Check temperature, rainfall & sunshine averages & more in November 2020 in Dayton, Ohio - USA Includes monthly temperatures, rainfall, hours of sunshine and relative humidity Humidity: 73%. Dayton November weather guide. Mean Temp: 53 °F. For each hour between 8:00 AM and 9:00 PM of each day in the analysis period (1980 to 2016), independent scores are computed for perceived temperature, cloud cover, and total precipitation. As with rainfall, we consider the snowfall accumulated over a sliding 31-day period centered around each day of the year. Dayton experiences some seasonal variation in monthly liquid-equivalent snowfall. Average precipitation in : Av. The darkest day of the year is December 20, with an average of 1.8 kWh. Complete climate information for Dayton, Ohio. We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Low Temperature Overnight in February the average temperature drops below freezing at 21.9°F, with the lowest temperature of -11.9°F being recorded on February 4, 1985. These records go back to 1896, with an 11-year period in the 1920s and 1930s of missing data. The predominant average hourly wind direction in Dayton varies throughout the year. The area within 2 miles of Dayton is covered by artificial surfaces (100%), within 10 miles by artificial surfaces (67%) and cropland (22%), and within 50 miles by cropland (78%) and artificial surfaces (12%). Those scores are combined into a single hourly composite score, which is then aggregated into days, averaged over all the years in the analysis period, and smoothed. The cold season lasts for 3.0 months, from December 1 to March 1, with an average daily high temperature below 46°F. High & Low Weather Summary for the Past Weeks To characterize how pleasant the weather is in Dayton throughout the year, we compute two travel scores. MERRA-2 Modern-Era Retrospective Analysis. The Maimi and Mad rivers converge to flow through Dayton city, Ohio, viewed from above Weather in December December , the first month of the winter, in Dayton , is also a wintry month, with temperature in the range of an average high of 38.1°F (3.4°C) and an average low of 24.3°F (-4.3°C). The information on this site is provided as is, without any assurances as to its accuracy or suitability for any purpose. Wind: 7 mph. The climate in Dayton during November can be summarized as cool and reasonably dry. Which month has the most rain in Dayton? The stations contributing to this reconstruction are: Wright-Patterson Air Force Base (42%, 15 kilometers, northeast); James M Cox Dayton International Airport (31%, 17 kilometers, north); and Dayton-Wright Brothers Airport (27%, 19 kilometers, south). Heat Index The transitions to and from daylight saving time are indicated by the 'DST' labels. The average daily incident shortwave solar energy experiences extreme seasonal variation over the course of the year. precipitation in Jan: January, Feb: February, ...Jan: January, Feb: February, ...Ja: January, Fe: February, ... © US Climate Data 2020 | version 3.0 | by Your Weather Service |, Past weather December 2018 incomplete - Missing data, Average precipitation in : Av. For the purposes of this report, the geographical coordinates of Dayton are 39.759 deg latitude, -84.192 deg longitude, and 738 ft elevation. Names, locations, and time zones of places and some airports come from the GeoNames Geographical Database . Click on each chart for more information. Get the monthly weather forecast for Dayton, OH, including daily high/low, historical averages, to help you plan ahead. The brighter period of the year lasts for 4.0 months, from April 29 to August 29, with an average daily incident shortwave energy per square meter above 5.8 kWh. The average daily shortwave solar energy reaching the ground per square meter (orange line), with 25th to 75th and 10th to 90th percentile bands. This report illustrates the typical weather in Dayton, based on a statistical analysis of historical hourly weather reports and model reconstructions from January 1, 1980 to December 31, 2016. While having the tremendous advantages of temporal and spatial completeness, these reconstructions: (1) are based on computer models that may have model-based errors, (2) are coarsely sampled on a 50 km grid and are therefore unable to reconstruct the local variations of many microclimates, and (3) have particular difficulty with the weather in some coastal areas, especially small islands. All other weather data, including cloud cover, precipitation, wind speed and direction, and solar flux, come from NASA's MERRA-2 Modern-Era Retrospective Analysis . Weather.com brings you the most accurate monthly weather forecast for with average/record and high/low temperatures, precipitation and more. Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. The average hourly wind speed in Dayton experiences significant seasonal variation over the course of the year. : Days with precipitation - Hours sun. On average there are 8 days in February when the temperature stays below freezing all day. In Dayton, the summers are long, warm, and humid; the winters are very cold and windy; and it is partly cloudy year round. Asked by Wiki User. Shortwave radiation includes visible light and ultraviolet radiation. Daytime maximum temperatures average around a cool 11°C (52°F), whilst at night 1°C (34°F) is normal. The topography within 2 miles of Dayton contains only modest variations in elevation, with a maximum elevation change of 174 feet and an average elevation above sea level of 752 feet. In Dayton, in ⦠The calmest day of the year is July 31, with an average hourly wind speed of 6.6 miles per hour. This page gives the highest temperature for each year in Dayton and the date that it happened. Time zones for airports and weather stations are provided by AskGeo.com . From bottom to top, the black lines are the previous solar midnight, sunrise, solar noon, sunset, and the next solar midnight. Be the first to answer! Apples fall, leaves fall, and temperatures fall in Autumn. A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. The percentage of time spent in each cloud cover band, categorized by the percentage of the sky covered by clouds. We draw particular cautious attention to our reliance on the MERRA-2 model-based reconstructions for a number of important data series. Expect maximum daytime temperatures to reach 30°C with moderate heat and humidity. High Temp: 37 °F. Find out how often it rains, snows, and the gets cold or hot in Dayton. : Average precipitation in inch - DP : Days with precipitation - Sun : Hours of sunshine, Monthly averages DaytonLongitude: -84.1916, Latitude: 39.7589Average weather Dayton, OH - 45402, Monthly: 1981-2010 normalsHistory: 2007-2018. The snowy period of the year lasts for 3.9 months, from November 29 to March 25, with a sliding 31-day liquid-equivalent snowfall of at least 0.1 inches. The coldest day of the year is January 29, with an average low of 22°F and high of 37°F. Based on the tourism score, the best time of year to visit Dayton for warm-weather activities is from mid June to mid September. A date with a plus sign means it was that hot on at least one other day earlier that year. The length of the day in Dayton varies significantly over the course of the year. We further caution that our travel scores are only as good as the data that underpin them, that weather conditions at any given location and time are unpredictable and variable, and that the definition of the scores reflects a particular set of preferences that may not agree with those of any particular reader. Climate in Ohio. The most rain falls during the 31 days centered around May 17, with an average total accumulation of 3.8 inches. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night. Thank you for reporting this station. Answer. Low Temperature Overnight in January the average temperature drops below freezing at 22.5°F, with the lowest temperature of -20.0°F being recorded on January 19, 1994. Land Use data comes from the Global Land Cover SHARE database , published by the Food and Agriculture Organization of the United Nations. Regional Climate Report - November 2020; Early Season Snowfall Summary - November 30 - ⦠The files are updated on a regular basis and contain data from January 1, 1995 to present. The number of hours during which the Sun is visible (black line). The drier season lasts 7.4 months, from August 10 to March 23. There are 3 weather stations near enough to contribute to our estimation of the temperature and dew point in Dayton. Daily low temperatures decrease by 7°F, from 32°F to 25°F, rarely falling below 8°F or exceeding 46°F. Based on growing degree days alone, the first spring blooms in Dayton should appear around March 28, only rarely appearing before March 12 or after April 12. 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